[ 1284.072119][T13058] netdevsim netdevsim638 eni638np1: renamed from eth1
[ 1284.153739][T13061] netdevsim netdevsim297 eni297np1: renamed from eth0
[ 1286.900948][T13049] Could not find device with ifindex 2000 in netnsfd 11
[ 1286.902100][T13049] Could not find netns with fd: 2000
[ 1286.903016][T13049] Cannot link a netdevsim to itself
[ 1286.904118][T13049] Format for linking two devices is "netnsfd_a:ifidx_a netnsfd_b:ifidx_b" (int uint int uint).